Psychrometric Analyzer

Calculate psychrometric properties of air including wet-bulb temperature, dew point, humidity ratio, enthalpy, specific volume, and vapor pressure.

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About This Tool

This psychrometric analyzer tool calculates comprehensive air properties based on dry-bulb temperature, relative humidity, atmospheric pressure, and altitude. Using ASHRAE formulas and psychrometric relationships, it provides accurate calculations for HVAC, meteorology, and engineering applications. The tool computes wet-bulb temperature, dew point temperature, humidity ratio, enthalpy, specific volume, and vapor pressure with real-time validation and detailed results.

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How to Use

Enter the dry-bulb temperature in Celsius or Fahrenheit
Enter the relative humidity as a percentage
Optionally adjust atmospheric pressure (default is sea level
325 kPa) or altitude
Click 'Calculate Psychrometric Properties' to see all calculated air properties
View detailed results including wet-bulb temperature, dew point, humidity ratio, enthalpy, specific volume, and vapor pressure

Frequently Asked Questions

Find Quick Answers

What is psychrometrics?

Psychrometrics is the study of thermodynamic properties of moist air and their relationships. It's essential for HVAC design, meteorology, and industrial processes involving air conditioning and drying.

What formulas does this tool use?

The tool uses standard ASHRAE psychrometric formulas including the Goff-Gratch equation for saturation vapor pressure and iterative calculations for wet-bulb temperature. All calculations follow established psychrometric relationships.

Can I use this for HVAC system design?

Yes, this tool provides essential psychrometric properties needed for HVAC load calculations, duct sizing, and system design. However, always verify critical calculations with professional engineering software.

What units does the tool support?

Temperature can be entered in Celsius or Fahrenheit (converted internally to Celsius for calculations). Pressure is in kilopascals (kPa), altitude in meters, and results are displayed in SI units with clear labeling.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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